Zobrazeno 1 - 10
of 44
pro vyhledávání: '"John W Lyons"'
Publikováno v:
Journal of Chromatography A. 1475:41-54
A fundamental study of the separation of homopolymers from polystyrene-block-polymethylmethacrylate (PS-b-PMMA) by liquid chromatography with preloaded discrete and continuous adsorption promoting barriers was performed. The impact of barrier composi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cba1d9df4b0e4394472e6c9f7db221e8
https://doi.org/10.1016/j.chroma.2016.10.070
https://doi.org/10.1016/j.chroma.2016.10.070
Autor:
Todd O. Pangburn, Tirtha Chatterjee, Eric Pearce, Yongfu Li, John W. Lyons, Mark A. Rickard, A. Willem deGroot, Rongjuan Cong, David M. Meunier
Publikováno v:
Journal of Chromatography A. 1465:107-116
Recent advances in catalyst technology have enabled the synthesis of olefin block copolymers (OBC). One type is a "hard-soft" OBC with a high density polyethylene (HDPE) block and a relatively low density polyethylene (VLDPE) block targeted as thermo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6271e5dfef3f9eb2cb70caef3fc69e7a
https://doi.org/10.1016/j.chroma.2016.08.055
https://doi.org/10.1016/j.chroma.2016.08.055
Autor:
Hongwei Shen, Robert L. Sammler, David M. Meunier, Yongfu Li, Meinolf Brackhagen, John W. Lyons
Publikováno v:
Carbohydrate Polymers. 138:290-300
Size-exclusion chromatography (SEC) coupled with multi-angle laser light scattering (MALLS) and differential refractive index (DRI) detectors was employed for determination of the molecular weight distributions (MWD) of methylcellulose ethers (MC) an
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::def36a2bdfef3e92a76445007a3c8237
https://doi.org/10.1016/j.carbpol.2015.11.003
https://doi.org/10.1016/j.carbpol.2015.11.003
Autor:
Christopher J. Tucker, Q. Jason Niu, Paul S. Russo, Kevin J. Bouck, Nadia J. Edwin, Thomas H. Kalantar, Joseph J. Kiefer, David M. Meunier, H. Craig Silvis, L. Mark DeLong, Rafael Cueto, Yongfu Li, John W. Lyons
Publikováno v:
Macromolecules. 47:6715-6729
Size-exclusion chromatography (SEC), coupled with differential viscometry detection (SEC/DV), is applied to the dilute suspension characterization of solvent-swollen cross-linked polymeric nanoparticles (PNPs). Cross-linked, unimolecular polymeric na
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::17eb5261f0db0da5cbc78b1a7e7c5a5c
https://doi.org/10.1021/ma501420z
https://doi.org/10.1021/ma501420z
Autor:
Jacek K. Furdyna, Margaret Dobrowolska, Xinyu Liu, Ellen T. Holmgren, John W. Lyons, Xiang Li, Frank Peiris
Publikováno v:
Journal of Vacuum Science & Technology B. 37:031205
Using spectroscopic ellipsometry, the dielectric functions of a series of topological insulators, including Bi2Te3, Bi2Se3, and their ternary alloys, were determined. The ellipsometry measurements were obtained using an IR-spectroscopic ellipsometer,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6bed1a157efb8c94104e4a390ea587ed
https://doi.org/10.1116/1.5088990
https://doi.org/10.1116/1.5088990
Publikováno v:
Journal of Applied Polymer Science. 123:1238-1244
This report describes the application of a recently developed polyolefin characterization tool based upon gradient adsorption high-temperature liquid chromatography (HT-LC) using a graphitic carbon stationary phase to polyolefin homopolymer and previ
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8860687bbb684262c233a45db3ebd082
https://doi.org/10.1002/app.33809
https://doi.org/10.1002/app.33809
Autor:
David M. Meunier, Freddy Van Damme, John W. Lyons, Matthew Miller, Abhishek Roy, William L. Winniford, Randy J. Pell, A. Willem deGroot
Publikováno v:
Macromolecules. 43:3710-3720
This work documents the development of the title system wherein the first dimension is a separation of polyolefins, according to composition, via an adsorption mechanism on a HYPERCARB stationary p...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::21a2245cfcd645f43a2b56add7ea1850
https://doi.org/10.1021/ma100010e
https://doi.org/10.1021/ma100010e
Autor:
John W. Lyons, Rongjuan Cong, David M. Meunier, Dean Lee, A. Willem deGroot, Colin Li Pi Shan
Publikováno v:
Analytical chemistry. 86(17)
Chemical composition distribution (CCD) is a fundamental metric for representing molecular structures of copolymers in addition to molecular weight distribution (MWD). Solvent gradient interaction chromatography (SGIC) is commonly used to separate co
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::694b05d9fd0ce28a06925a1da078189b
https://pubmed.ncbi.nlm.nih.gov/25117509
https://pubmed.ncbi.nlm.nih.gov/25117509
Publikováno v:
Advanced Materials. 12:1847-1854
Methods for the characterization of polymers using advanced separation technology are presented here, focussing on adsorption liquid chromatography, pyrolysis gas chromatography, and flow injection polymer analysis. The Figure shows a plot of the biv
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::56014f38aa60c82ccbaaf616ba667b25
https://doi.org/10.1002/1521-4095(200012)12:23<1847::aid-adma1847>3.0.co
https://doi.org/10.1002/1521-4095(200012)12:23<1847::aid-adma1847>3.0.co
Autor:
James A Ratches, John W Lyons
Project Hindsight1 was a 1969 U.S. Department of Defense (DOD) report that was an in-depth study sponsored by the Director of Defense Research & Engineering (DDR&E) and provided insights into the development of approximately 20 weapons systems across
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9c3a333bfabc7c3d85ac95e89db26d04
https://doi.org/10.21236/ada622067
https://doi.org/10.21236/ada622067
